Encyclopedias, Almanacs, Transcripts, and Maps
- Delano
- Delavigne, Casimir
- Delaware and Hudson Canal
- Delaware and Raritan Canal
- Delaware Aqueduct
- Delaware Bay
- Delaware National Scenic River
- Delaware Prophet
- Delaware River Basin Compact
- Delaware Water Gap
- Delbrück, Hans
- Delbrück, Rudolf von
- Delderfield, R. F.
- Delémont
- Delian problem
- Delibes, Miguel
- Delium
- Della Porta
- Dells of the Wisconsin
- Delmarva